<?php

namespace App\Providers;

use Illuminate\Support\Facades\DB;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        $this->toSqlLog();
    }

    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //
    }


    protected function toSqlLog()
    {
        $filePath = storage_path('logs'.DIRECTORY_SEPARATOR.'sql' . DIRECTORY_SEPARATOR);
        is_dir($filePath) || @mkdir($filePath, 0777, true);
        $logFile = $filePath . date('Y-m-d') . '.log';

        DB::listen(
            function ($sql)use($logFile) {
                // $sql is an object with the properties:
                //  sql: The query
                //  bindings: the sql query variables
                //  time: The execution time for the query
                //  connectionName: The name of the connection

                // To save the executed queries to file:
                // Process the sql and the bindings:
                foreach ($sql->bindings as $i => $binding) {
                    if ($binding instanceof \DateTime) {
                        $sql->bindings[$i] = $binding->format('\'Y-m-d H:i:s\'');
                    } else {
                        if (is_string($binding)) {
                            $sql->bindings[$i] = "'$binding'";
                        }
                    }
                }

                // Insert bindings into query
                $query = str_replace(array('%', '?'), array('%%', '%s'), $sql->sql);

                $query = vsprintf($query, $sql->bindings);

                // Save the query to file
                $data = '['.date('Y-m-d H:i:s') . '] ' . $query;
                file_put_contents($logFile, $data.PHP_EOL, FILE_APPEND);
            }
        );
    }

}
